EP 0225144 B1 19910807 - COPOLYETHERKETONES
Title (en)
COPOLYETHERKETONES
Publication
Application
Priority
US 80202885 A 19851125
Abstract (en)
[origin: EP0225144A2] Novel copolyetherketones consisting derived from diphenyl ether and aromatic diacids or diacid halides are disclosed where the diphenyl ether is present in a molar excess relative to the diacid or diacid halide chlorides of about 2 to 8%.
IPC 1-7
IPC 8 full level
C08L 73/00 (2006.01); C08G 61/12 (2006.01); C08G 67/00 (2006.01); C08L 65/00 (2006.01)
CPC (source: EP KR US)
C08G 61/127 (2013.01 - EP US); C08G 65/00 (2013.01 - KR); C08G 67/00 (2013.01 - KR); C08L 65/00 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0225144 A2 19870610; EP 0225144 A3 19870729; EP 0225144 B1 19910807; BR 8605747 A 19870825; CA 1247289 A 19881220; DE 3680761 D1 19910912; JP H0513967 B2 19930223; JP S62129314 A 19870611; KR 870005027 A 19870604; KR 910004520 B1 19910705; US 4704448 A 19871103
DOCDB simple family (application)
EP 86309144 A 19861124; BR 8605747 A 19861121; CA 523480 A 19861120; DE 3680761 T 19861124; JP 27889986 A 19861125; KR 860009917 A 19861124; US 80202885 A 19851125